diff --git a/Botan-2.17.3.tar.xz b/Botan-2.17.3.tar.xz
deleted file mode 100644
index 1b9a603..0000000
--- a/Botan-2.17.3.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:79123b654445a4abba486e09a431788545c708237382a3e765664c9f55b03b88
-size 5937596
diff --git a/Botan-2.17.3.tar.xz.asc b/Botan-2.17.3.tar.xz.asc
deleted file mode 100644
index d459e76..0000000
--- a/Botan-2.17.3.tar.xz.asc
+++ /dev/null
@@ -1,11 +0,0 @@
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diff --git a/Botan-2.18.0.tar.xz b/Botan-2.18.0.tar.xz
new file mode 100644
index 0000000..4f657e7
--- /dev/null
+++ b/Botan-2.18.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc64852e1e0c5bb30ecd052e4a12d5136125a8ce5c3be2efb6fb061c8677e327
+size 5941536
diff --git a/Botan-2.18.0.tar.xz.asc b/Botan-2.18.0.tar.xz.asc
new file mode 100644
index 0000000..6c7aeca
--- /dev/null
+++ b/Botan-2.18.0.tar.xz.asc
@@ -0,0 +1,11 @@
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diff --git a/Botan.changes b/Botan.changes
index 9f4ac03..ddbcb8a 100644
--- a/Botan.changes
+++ b/Botan.changes
@@ -1,3 +1,17 @@
+-------------------------------------------------------------------
+Fri Apr 16 16:56:20 UTC 2021 - Ferdinand Thiessen <rpm@fthiessen.de>
+
+- Botan 2.18.0
+  * Add support for implementing custom RNG objects through the FFI
+    interface
+  * Improve safegcd bounds, improving runtime performance
+  * Reject non-TLS messages as quickly as possible without waiting
+    for a full record.
+  * Fixes for TLS::Stream::async_shutdown
+- Removed unneeded GNU MP build requirement, support was dropped
+  with version 1.11.10
+- Enabled check target, verify integrity of build library
+
 -------------------------------------------------------------------
 Wed Dec 23 09:20:07 UTC 2020 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/Botan.spec b/Botan.spec
index 4ae6957..5b85cc0 100644
--- a/Botan.spec
+++ b/Botan.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package Botan
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,10 +16,10 @@
 #
 
 
-%define version_suffix 2-17
+%define version_suffix 2-18
 %define short_version 2
 Name:           Botan
-Version:        2.17.3
+Version:        2.18.0
 Release:        0
 Summary:        A C++ Crypto Library
 License:        BSD-2-Clause
@@ -31,9 +31,6 @@ Source2:        %{name}.keyring
 Source3:        baselibs.conf
 BuildRequires:  bzip2 >= 1.0.2
 BuildRequires:  gcc-c++
-# FIXME: is this dependency correct?
-BuildRequires:  gmp-devel >= 4.1
-#Requires:       gmp >= 4.1
 BuildRequires:  libbz2-devel
 BuildRequires:  openssl-devel
 BuildRequires:  pkgconfig
@@ -100,6 +97,7 @@ python3 ./configure.py \
   --with-bzip2 \
   --with-zlib \
   --with-openssl \
+  --with-openmp \
 %ifarch %{ix86}
   --cpu=x86_32
 %else
@@ -119,6 +117,9 @@ rm -f %{buildroot}/%{_libdir}/libbotan*.a
 chmod +x %{buildroot}%{python3_sitearch}/botan2.py
 sed -i '1s@^#!/.*@#!%{_bindir}/python3@' %{buildroot}%{python3_sitearch}/botan2.py
 
+%check
+make check
+
 %post -n libbotan-%{version_suffix} -p /sbin/ldconfig
 %postun -n libbotan-%{version_suffix} -p /sbin/ldconfig
 
diff --git a/baselibs.conf b/baselibs.conf
index 359e3b0..cb0b816 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1,4 +1,4 @@
-libbotan-2-17
+libbotan-2-18
 libbotan-devel
 	requires -libbotan-<targettype> = <version>
-	requires "libbotan-2-17-<targettype> = <version>"
+	requires "libbotan-2-18-<targettype> = <version>"